Pyle Home PDSUB12A 12-Inch 500-Watt Front-Firing Powered Subwoofer (Discontinued by Manufacturer) Gain Control for Volume Adjustment Adjustable Low Pass 50Hz to 150 Hz Phase Switch 0-180 High Level ( Speaker Level ) Binding Post Inputs Low Level RCA Inputs and Outputs 12'' Coated Paper Cone w/ Rubber Edge Discrete A/ B Class Amplifier 250 Watts RMS/ 500 Watts Peak Frequency Response: 40Hz-350 Hz Dimensions: 17.2'' (H) x 16.2'' (W) x 16.2'' (D) Sold as : Unit Gain Control for Volume Adjustment - 12'' Coated Paper Cone w/ Rubber Edge Adjustable Low Pass 50Hz to 150 Hz - Discrete A/ B Class Amplifier Phase Switch 0-180 - 250 Watts RMS/ 500 Watts Peak High Level ( Speaker Level ) Binding Post Inputs - Frequency Response: 40Hz-350 Hz Low Level RCA Inputs and Outputs - Dimensions: 17.2'' (H) x 16.2'' (W) x 16.2'' (D)